What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Make sourdough bread...and learn some colonial history and modern science in the process!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.